Add more off-by-default logging options for debug-mode builds: ReactEditText, TextLayoutManager

Summary:
Put more logging behind debug-build-only build flags.

Changelog: [Internal]

Reviewed By: shergin

Differential Revision: D24120153

fbshipit-source-id: 3b33db3e701a2bd3304c7c6502d58eb84e6bdc7f

ReactAndroid/src/main/java/com/facebook/react/views/text/TextLayoutManager.java

@@ -28,6 +28,7 @@ import com.facebook.react.bridge.ReadableArray;
 import com.facebook.react.bridge.ReadableMap;
 import com.facebook.react.bridge.ReadableNativeMap;
 import com.facebook.react.bridge.WritableArray;
+import com.facebook.react.common.build.ReactBuildConfig;
 import com.facebook.react.config.ReactFeatureFlags;
 import com.facebook.react.uimanager.PixelUtil;
 import com.facebook.react.uimanager.ReactAccessibilityDelegate;
@@ -44,9 +45,9 @@ import java.util.concurrent.ConcurrentHashMap;
 public class TextLayoutManager {
 
   // TODO T67606397: Refactor configuration of fabric logs
-  private static final boolean ENABLE_MEASURE_LOGGING = false;
+  private static final boolean ENABLE_MEASURE_LOGGING = ReactBuildConfig.DEBUG && false;
 
-  private static final String TAG = "TextLayoutManager";
+  private static final String TAG = TextLayoutManager.class.getSimpleName();
 
   // It's important to pass the ANTI_ALIAS_FLAG flag to the constructor rather than setting it
   // later by calling setFlags. This is because the latter approach triggers a bug on Android 4.4.2.
@@ -82,10 +83,16 @@ public class TextLayoutManager {
   }
 
   public static void setCachedSpannabledForTag(int reactTag, @NonNull Spannable sp) {
+    if (ENABLE_MEASURE_LOGGING) {
+      FLog.e(TAG, "Set cached spannable for tag[" + reactTag + "]: " + sp.toString());
+    }
     sTagToSpannableCache.put(reactTag, sp);
   }
 
   public static void deleteCachedSpannableForTag(int reactTag) {
+    if (ENABLE_MEASURE_LOGGING) {
+      FLog.e(TAG, "Delete cached spannable for tag[" + reactTag + "]");
+    }
     sTagToSpannableCache.remove(reactTag);
   }
 
@@ -360,9 +367,18 @@ public class TextLayoutManager {
     Spannable text;
     if (attributedString.hasKey("cacheId")) {
       int cacheId = attributedString.getInt("cacheId");
+      if (ENABLE_MEASURE_LOGGING) {
+        FLog.e(TAG, "Get cached spannable for cacheId[" + cacheId + "]");
+      }
       if (sTagToSpannableCache.containsKey(cacheId)) {
         text = sTagToSpannableCache.get(cacheId);
+        if (ENABLE_MEASURE_LOGGING) {
+          FLog.e(TAG, "Text for spannable found for cacheId[" + cacheId + "]: " + text.toString());
+        }
       } else {
+        if (ENABLE_MEASURE_LOGGING) {
+          FLog.e(TAG, "No cached spannable found for cacheId[" + cacheId + "]");
+        }
         return 0;
       }
     } else {

ReactAndroid/src/main/java/com/facebook/react/views/textinput/ReactEditText.java

@@ -38,8 +38,10 @@ import androidx.annotation.Nullable;
 import androidx.appcompat.widget.AppCompatEditText;
 import androidx.core.view.AccessibilityDelegateCompat;
 import androidx.core.view.ViewCompat;
+import com.facebook.common.logging.FLog;
 import com.facebook.infer.annotation.Assertions;
 import com.facebook.react.bridge.ReactContext;
+import com.facebook.react.common.build.ReactBuildConfig;
 import com.facebook.react.uimanager.FabricViewStateManager;
 import com.facebook.react.uimanager.UIManagerModule;
 import com.facebook.react.views.text.CustomLetterSpacingSpan;
@@ -70,8 +72,10 @@ import java.util.List;
  */
 public class ReactEditText extends AppCompatEditText
     implements FabricViewStateManager.HasFabricViewStateManager {
-
   private final InputMethodManager mInputMethodManager;
+  private final String TAG = ReactEditText.class.getSimpleName();
+  public static final boolean DEBUG_MODE = ReactBuildConfig.DEBUG && false;
+
   // This flag is set to true when we set the text of the EditText explicitly. In that case, no
   // *TextChanged events should be triggered. This is less expensive than removing the text
   // listeners and adding them back again after the text change is completed.
@@ -169,6 +173,9 @@ public class ReactEditText extends AppCompatEditText
 
   @Override
   protected void finalize() {
+    if (DEBUG_MODE) {
+      FLog.e(TAG, "finalize[" + getId() + "] delete cached spannable");
+    }
     TextLayoutManager.deleteCachedSpannableForTag(getId());
   }
 
@@ -326,11 +333,18 @@ public class ReactEditText extends AppCompatEditText
 
   @Override
   public void setSelection(int start, int end) {
+    if (DEBUG_MODE) {
+      FLog.e(TAG, "setSelection[" + getId() + "]: " + start + " " + end);
+    }
     super.setSelection(start, end);
   }
 
   @Override
   protected void onSelectionChanged(int selStart, int selEnd) {
+    if (DEBUG_MODE) {
+      FLog.e(TAG, "onSelectionChanged[" + getId() + "]: " + selStart + " " + selEnd);
+    }
+
     super.onSelectionChanged(selStart, selEnd);
     if (!mIsSettingTextFromCacheUpdate && mSelectionWatcher != null && hasFocus()) {
       mSelectionWatcher.onSelectionChanged(selStart, selEnd);
@@ -502,6 +516,17 @@ public class ReactEditText extends AppCompatEditText
       return;
     }
 
+    if (DEBUG_MODE) {
+      FLog.e(
+          TAG,
+          "maybeSetText["
+              + getId()
+              + "]: current text: "
+              + getText()
+              + " update: "
+              + reactTextUpdate.getText());
+    }
+
     // The current text gets replaced with the text received from JS. However, the spans on the
     // current text need to be adapted to the new text. Since TextView#setText() will remove or
     // reset some of these spans even if they are set directly, SpannableStringBuilder#replace() is
@@ -1004,6 +1029,11 @@ public class ReactEditText extends AppCompatEditText
 
     @Override
     public void onTextChanged(CharSequence s, int start, int before, int count) {
+      if (DEBUG_MODE) {
+        FLog.e(
+            TAG, "onTextChanged[" + getId() + "]: " + s + " " + start + " " + before + " " + count);
+      }
+
       if (!mIsSettingTextFromCacheUpdate) {
         if (!mIsSettingTextFromJS && mListeners != null) {
           for (TextWatcher listener : mListeners) {

ReactAndroid/src/main/java/com/facebook/react/views/textinput/ReactTextInputManager.java

@@ -1183,6 +1183,10 @@ public class ReactTextInputManager extends BaseViewManager<ReactEditText, Layout
   public Object updateState(
       ReactEditText view, ReactStylesDiffMap props, @Nullable StateWrapper stateWrapper) {
 
+    if (ReactEditText.DEBUG_MODE) {
+      FLog.e(TAG, "updateState: [" + view.getId() + "]");
+    }
+
     view.getFabricViewStateManager().setStateWrapper(stateWrapper);
 
     ReadableNativeMap state = stateWrapper.getState();